MAX1649CSLASHD datasheet(4/12 Pages) MAXIM

номер детали	MAX1649C/D

подробное описание детали	5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controllers

PDF	12 Pages

Scroll/Zoom	100%

производитель	MAXIM [Maxim Integrated Products]

домашняя страница	https://www.maximintegrated.com/en.html

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4 / 12 page

5V/3.3V or Adjustable, High-Efficiency,

Low-Dropout, Step-Down DC-DC Controllers

_______________________________________________________________________________________

-60

-20

140

SWITCH ON-TIME

vs. TEMPERATURE

TEMPERATURE (°C)

100

-40

120

34.0

33.5

33.0

32.5

32.0

31.5

31.0

30.0

30.5

-60

-20

140

SWITCH OFF-TIME

vs. TEMPERATURE

TEMPERATURE (°C)

100

-40

120

1.5

1.4

1.3

1.2

1.1

1.0

0.9

0.8

0.7

0.6

0.5

-60

-20

140

MAXIMUM DUTY CYCLE

vs. TEMPERATURE

TEMPERATURE (°C)

100

-40

120

100

-60

-20

140

CS TRIP LEVEL

vs. TEMPERATURE

TEMPERATURE (°C)

100

-40

120

115

110

100

105

0.5

1.0

1.5

2.0

DROPOUT VOLTAGE

vs. LOAD CURRENT

LOAD CURRENT (A)

600

500

400

300

200

100

VOUT = 4.80V

VOUT = 3.17V

CIRCUIT OF

FIGURE 1

250

REFERENCE OUTPUT RESISTANCE

vs. TEMPERATURE

200

150

100

-60

-20

140

TEMPERATURE (°C)

100

-40

120

IREF = 10

μA

IREF = 50

μA

IREF = 100

μA

1.506

1.492

REFERENCE OUTPUT VOLTAGE

vs. TEMPERATURE

1.494

1.504

1.502

1.500

-60

-20

140

TEMPERATURE (°C)

100

-40

120

1.498

1.496

IREF = 10

μA

____________________________Typical Operating Characteristics (continued)

(TA = +25°C, unless otherwise noted.)

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